摘要：【中文】本发明涉及电化学技术领域，提供了一种含亚氧化钛中间层的涂层电极及其制备方法与应用以及电化学水处理设备。含亚氧化钛中间层的涂层电极，包括电极基体、亚氧化钛中间层以及含氧化锡活性层，亚氧化钛中间层设置于电极基体的一侧表面，含氧化锡活性层设置于亚氧化钛中间层远离电极基体的一侧表面。含亚氧化钛中间层的涂层电极的制备方法，包括在电极基体上依次设置亚氧化钛中间层和含氧化锡活性层。通过上述制备方法制得的含亚氧化钛中间层的涂层电极，成本低，使用寿命长，催化活性好，该电极可应用于电化学领域中，特别是电化学水处理设备中。电化学水处理设备，包括如上述的含亚氧化钛中间层的涂层电极。 【EN】The invention relates to the technical field of electrochemistry, and provides a coating electrode containing a titanium suboxide intermediate layer, a preparation method and application thereof, and electrochemical water treatment equipment. The coated electrode containing the titanium protoxide intermediate layer comprises an electrode substrate, the titanium protoxide intermediate layer and a tin oxide-containing active layer, wherein the titanium protoxide intermediate layer is arranged on one side surface of the electrode substrate, and the tin oxide-containing active layer is arranged on one side surface, far away from the electrode substrate, of the titanium protoxide intermediate layer. The preparation method of the coating electrode containing the titanium protoxide intermediate layer comprises the step of sequentially arranging the titanium protoxide intermediate layer and the tin oxide-containing active layer on an electrode substrate. The coating electrode containing the titanium protoxide intermediate layer prepared by the preparation method has low cost, long service life and good catalytic activity, and can be applied to the electrochemical field, in particular to electrochemical water treatment equipment. An electrochemical water treatment device comprising a coated electrode comprising an intermediate layer of titanium suboxide as described above.